MNTN — Institutional owners (13F)

140 filers · $472.7M total · As of June 30, 2026

Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.

Institution Value Shares % of tracked 13F Type
MERCATO PARTNERS GROWTH III GP, LLC $114,416,808 6,168,022 24.21% Shares
Mercato Management Legacy, LLC $56,745,802 6,168,022 12.00% Shares
WELLINGTON MANAGEMENT GROUP LLP $51,800,471 5,630,486 10.96% Shares
BlackRock, Inc. $39,190,877 4,259,878 8.29% Shares
FMR LLC $28,907,320 3,142,100 6.12% Shares
GREYCROFT LP $18,967,116 2,061,643 4.01% Shares
VANGUARD CAPITAL MANAGEMENT LLC $17,656,888 1,919,227 3.74% Shares
D. E. Shaw & Co., Inc. $10,648,522 1,157,448 2.25% Shares
GEODE CAPITAL MANAGEMENT, LLC $7,715,402 838,563 1.63% Shares
VANGUARD GROUP INC $7,126,676 596,874 1.51% Shares
AMERICAN FINANCIAL GROUP INC $5,793,084 629,683 1.23% Shares
VANGUARD PORTFOLIO MANAGEMENT LLC $5,608,881 609,661 1.19% Shares
BNP PARIBAS FINANCIAL MARKETS $5,334,537 579,841 1.13% Shares
CITADEL ADVISORS LLC $4,984,201 541,761 1.05% Shares
MORGAN STANLEY $4,424,252 480,897 0.94% Shares
STATE STREET CORP $4,351,784 473,020 0.92% Shares
GOLDMAN SACHS GROUP INC $3,936,377 427,867 0.83% Shares
RAYMOND JAMES FINANCIAL INC $3,725,015 404,893 0.79% Shares
BANK OF AMERICA CORP /DE/ $3,647,662 396,485 0.77% Shares
Jump Financial, LLC $3,271,492 355,597 0.69% Shares
Militia Capital Management LLC $3,220,000 350,000 0.68% Shares
Man Group plc $3,144,891 341,836 0.67% Shares
Proem Advisors LLC $3,132,057 340,441 0.66% Shares
NORTHERN TRUST CORP $2,945,822 320,198 0.62% Shares
Trexquant Investment LP $2,681,174 291,432 0.57% Shares
JPMORGAN CHASE & CO $2,626,330 290,845 0.56% Shares
CLARK ESTATES INC/NY $2,281,600 248,000 0.48% Shares
NORGES BANK $2,150,040 233,700 0.45% Shares
Uniplan Investment Counsel, Inc. $2,005,738 218,015 0.42% Shares
VICTORY CAPITAL MANAGEMENT INC $1,995,480 216,900 0.42% Shares
RENAISSANCE TECHNOLOGIES LLC $1,974,219 214,589 0.42% Shares
MANCHESTER FINANCIAL INC $1,840,000 200,000 0.39% Shares
ZAZOVE ASSOCIATES LLC $1,840,000 200,000 0.39% Shares
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $1,810,404 196,783 0.38% Shares
VANGUARD FIDUCIARY TRUST CO $1,753,244 190,570 0.37% Shares
Nuveen, LLC $1,667,601 181,261 0.35% Shares
Walleye Capital LLC $1,645,291 178,836 0.35% Shares
Balyasny Asset Management L.P. $1,643,341 178,624 0.35% Shares
MILLENNIUM MANAGEMENT LLC $1,522,250 165,462 0.32% Shares
PANAGORA ASSET MANAGEMENT INC $1,520,889 165,314 0.32% Shares
HSBC HOLDINGS PLC $1,437,588 69,248 0.30% Shares
AMERIPRISE FINANCIAL INC $1,417,950 154,125 0.30% Shares
Qube Research & Technologies Ltd $1,396,983 151,846 0.30% Shares
Diametric Capital, LP $1,321,994 143,695 0.28% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,094,800 119,000 0.23% Put option
XTX Topco Ltd $972,486 105,705 0.21% Shares
WOLVERINE TRADING, LLC $963,372 51,600 0.20% Put option
Engineers Gate Manager LP $897,902 97,598 0.19% Shares
Bank of New York Mellon Corp $883,199 96,000 0.19% Shares
LPL Financial LLC $814,356 88,517 0.17% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $762,680 82,900 0.16% Call option
TWO SIGMA ADVISERS, LP $746,274 62,502 0.16% Shares
Y-Intercept (Hong Kong) Ltd $658,646 71,592 0.14% Shares
Susquehanna Portfolio Strategies, LLC $647,680 70,400 0.14% Shares
FEDERATED HERMES, INC. $644,000 70,000 0.14% Shares
Mariner, LLC $642,142 69,798 0.14% Shares
Cresset Asset Management, LLC $637,992 69,347 0.13% Shares
FFT WEALTH MANAGEMENT LLC $637,183 69,259 0.13% Shares
ALGERT GLOBAL LLC $615,940 66,950 0.13% Shares
WOLVERINE TRADING, LLC $575,036 30,800 0.12% Call option
Point72 Asset Management, L.P. $556,204 60,457 0.12% Shares
UBS Group AG $547,133 59,471 0.12% Shares
CITADEL ADVISORS LLC $539,120 58,600 0.11% Put option
RHUMBLINE ADVISERS $490,997 53,370 0.10% Shares
Aquatic Capital Management LLC $466,330 50,688 0.10% Shares
Dakota Wealth Management $460,000 50,000 0.10% Shares
CANADA PENSION PLAN INVESTMENT BOARD $438,840 47,700 0.09% Shares
WELLS FARGO & COMPANY/MN $430,385 46,781 0.09% Shares
DEUTSCHE BANK AG\ $429,327 46,666 0.09% Shares
HighTower Advisors, LLC $421,360 45,800 0.09% Shares
JANE STREET GROUP, LLC $391,920 42,600 0.08% Call option
JACOBS LEVY EQUITY MANAGEMENT, INC $367,328 39,927 0.08% Shares
Magnetar Financial LLC $365,369 39,714 0.08% Shares
PDT Partners, LLC $339,002 36,848 0.07% Shares
VOYA INVESTMENT MANAGEMENT LLC $320,841 34,874 0.07% Shares
WOLVERINE TRADING, LLC $312,162 16,720 0.07% Shares
Private Advisory Group LLC $284,878 30,965 0.06% Shares
Chicago Partners Investment Group LLC $276,816 33,112 0.06% Shares
Compound Planning, Inc. $276,000 30,000 0.06% Shares
MetLife Investment Management, LLC $262,439 28,526 0.06% Shares
CITIGROUP INC $241,849 26,288 0.05% Shares
CITADEL ADVISORS LLC $237,360 25,800 0.05% Call option
BARCLAYS PLC $237,204 25,783 0.05% Shares
Invesco Ltd. $234,471 25,486 0.05% Shares
Universal- Beteiligungs- und Servicegesellschaft mbH $232,944 25,320 0.05% Shares
COWA, LLC $231,122 25,122 0.05% Shares
CIBC Bancorp USA Inc. $217,461 23,637 0.05% Shares
Freestone Capital Holdings, LLC $214,075 23,269 0.05% Shares
FRANKLIN RESOURCES INC $207,772 22,584 0.04% Shares
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $197,864 21,507 0.04% Shares
SEI INVESTMENTS CO $185,987 20,216 0.04% Shares
AMH Equity Ltd $185,500 10,000 0.04% Shares
TIGER GLOBAL MANAGEMENT LLC $184,000 20,000 0.04% Shares
State of Tennessee, Department of Treasury $174,110 18,925 0.04% Shares
AMERICAN CENTURY COMPANIES INC $164,965 17,931 0.03% Shares
FOX RUN MANAGEMENT, L.L.C. $133,446 14,505 0.03% Shares
Police & Firemen's Retirement System of New Jersey $127,273 13,834 0.03% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $122,719 13,339 0.03% Shares
MANUFACTURERS LIFE INSURANCE COMPANY, THE $120,952 13,147 0.03% Shares
GROUP ONE TRADING LLC $117,392 12,760 0.02% Shares
Russell Investments Group, Ltd. $114,263 12,420 0.02% Shares
Sigma Planning Corp $114,080 12,400 0.02% Shares
PRELUDE CAPITAL MANAGEMENT, LLC $108,183 11,759 0.02% Shares
JANE STREET GROUP, LLC $103,960 11,300 0.02% Put option
ALLIANCEBERNSTEIN L.P. $102,960 11,700 0.02% Shares
Modus Advisors, LLC $101,117 10,991 0.02% Shares
NEW YORK STATE COMMON RETIREMENT FUND $99,360 10,800 0.02% Shares
IMC-Chicago, LLC $98,725 10,731 0.02% Shares
Graham Capital Management, L.P. $96,554 10,495 0.02% Shares
STRS OHIO $84,640 9,200 0.02% Shares
CIBC Private Wealth Group LLC $74,200 4,000 0.02% Shares
Persistent Asset Partners Ltd $54,492 5,923 0.01% Shares
Rockefeller Capital Management L.P. $52,238 5,678 0.01% Shares
Vanguard Global Advisers, LLC $45,043 4,896 0.01% Shares
OSAIC HOLDINGS, INC. $44,206 4,805 0.01% Shares
NATIONAL BANK OF CANADA /FI/ $43,772 4,763 0.01% Shares
Legal & General Group Plc $41,970 4,562 0.01% Shares
Ameritas Investment Partners, Inc. $39,164 4,257 0.01% Shares
ATLAS CAPITAL ADVISORS INC. $28,234 3,069 0.01% Shares
Tower Research Capital LLC (TRC) $20,139 2,189 0.00% Shares
ROYAL BANK OF CANADA $18,000 1,913 0.00% Shares
TD Waterhouse Canada Inc. $10,895 1,000 0.00% Shares
ACADIAN ASSET MANAGEMENT LLC $6,365 692,998 0.00% Shares
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $5,943 646 0.00% Shares
Global Retirement Partners, LLC $2,383 259 0.00% Shares
JONES FINANCIAL COMPANIES LLLP $2,174 226 0.00% Shares
ARMSTRONG ADVISORY GROUP, INC $2,070 225 0.00% Shares
EverSource Wealth Advisors, LLC $1,564 170 0.00% Shares
Sterling Capital Management LLC $1,518 165 0.00% Shares
US BANCORP \DE\ $1,435 156 0.00% Shares
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY $1,339 145,491 0.00% Shares
Caitong International Asset Management Co., Ltd $984 107 0.00% Shares
North Star Investment Management Corp. $589 64 0.00% Shares
X-Square Capital, LLC $458 52,000 0.00% Shares
PRICE T ROWE ASSOCIATES INC /MD/ $355 38,513 0.00% Shares
HUNTINGTON NATIONAL BANK $331 36 0.00% Shares
GAMMA Investing LLC $212 23 0.00% Shares
SG Americas Securities, LLC $129 14,057 0.00% Shares
Farther Finance Advisors, LLC $18 2 0.00% Shares
Avion Wealth $0 51 0.00% Shares